ACF2 system administrator must develop a procedure to disable account identifiers (individuals, groups, roles, and devices) after 35 days of inactivity.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-223584	ACF2-OS-002470	SV-223584r1001090_rule		Medium

Description

Inactive identifiers pose a risk to systems and applications because attackers may exploit an inactive identifier and potentially obtain undetected access to the system. Owners of inactive accounts will not notice if unauthorized access to their user account has been obtained. Operating systems need to track periods of inactivity and disable application identifiers after 35 days of inactivity.

STIG	Date
IBM z/OS ACF2 Security Technical Implementation Guide	2025-06-24

Details

Check Text (C-25257r500887_chk)

Ask the system administrator for the procedure to disable account identifiers (individuals, groups, roles, and devices) after 35 days of inactivity.

If there is no procedure this is a finding.

Fix Text (F-25245r500888_fix)

Develop a procedure to disable account identifiers (individuals, groups, roles, and devices) after 35 days of inactivity.